I don't remember the exact details, but I remember reading about a guy who hired a team of researchers to find problems in some company's product (I think it wa

I don't remember the exact details, but I remember reading about a guy who hired a team of researchers to find problems in some company's product (I think it was pharmaceuticals), shorted the stock, and then published the results causing the stock price to tank. Totally legal since he wasn't affiliated with the company and the information that was published wasn't misleading.